Cairn
Cairn
Launch rehearsal for pump.fun

Launch it in here first.

Cairn plays your launch out on the bonding curve with a simulated crowd. See whether it graduates, who ends up holding what, and how your dev buy looks on day one. Then build your launch kit: a card preview, a check for risky wording, and ready-to-post copy.

Build a launch kit

Launch rehearsal

Ready

The crowd is simulated. The curve math is the real model.

1,000,000,000
Token supply on a standard pump.fun launch
~800M
Tokens sold on the curve before graduation (model)
~88 SOL
Raised by the curve at graduation (model estimate)
Launch kit

See your coin the way traders will

Fill in your coin's details. Cairn draws the card, checks the wording for claims that could get you in trouble, and writes your launch-day posts. Everything stays in your browser.

Cropped to a square for the card. It never leaves your device.
Leave blank if undecided. It goes into your posts as a disclosure.
Your coin card

Pre-launch checks
Post pack

Ready to paste on launch day

Written from your details above. Read each one and edit it to sound like you.

Community token

$CAIRN

$CAIRN is the community coin for the people who use Cairn. It launches on pump.fun's bonding curve like any other coin.

Holding it does not unlock or gate anything. Cairn is free for everyone, and the coin makes no promise of returns.

Contract Announced at launch

View on pump.fun

Ticker$CAIRN
NetworkSolana
Supply1,000,000,000
Transfer taxNone
Launchpump.fun bonding curve
LinksAt launch
Questions

Straight answers

Is Cairn free?

Yes. The rehearsal and the launch kit are free, with no account and no wallet connection.

Where does my data go?

Nowhere. Everything you type or upload is handled by your browser and is not sent to a server.

Are the numbers exact?

They are estimates from the standard virtual-reserve model of a bonding curve. pump.fun can change its parameters and charges fees on trades, so confirm the details on pump.fun before you trade or launch.

What does the $CAIRN coin do?

It is a community coin. It does not unlock features, give governance rights or promise returns. Treat it like any meme coin: it can fall to zero.

Is the rehearsal crowd real?

No. The buyers are random and generated in your browser. The curve they trade on uses the standard virtual-reserve model, so it shows how a launch could unfold, not how yours will.

Is Cairn connected to pump.fun?

No. Cairn is an independent project and is not affiliated with or endorsed by pump.fun.